THE CANADIAN ENTOMOLOGIST. 57 



DESCRIPTION OF THE PREPARATORY STAGES OF DATANA 



DREXELII, Hy. Edw. 



BY WM. BEUTENMULLER, NEW YORK. 



Egg. — Similar to D. ministra; cannot be distinguished from it. Laid 

 in masses on the under side of leaf. 



Young Larva, after First and Second Moults. — Cannot be dis- 

 tinguished from D. ministra. 



After Third Moult. — Little change except in size. The stripes are 

 now confluent about the anal segments. Length 30 m.m. 



After Fourth Moult. — Head jet black, cervical shield now chestnut 

 brown instead of black ; otherwise as in D. ministra. Length 40 m.m. 



Mature Larva. — Head jet black, shining, slightly punctured ; cer- 

 vical shield and neck wholly golden yellow. Body black, with four equ- 

 distant stripes of citron yellow on each side, and three on the under side. 

 Abdominal legs and bases of thoracic feet orange. The stripes all 

 become conjoined at the posterior extremity. The anal plates jet black, 

 very shiny and nearly smooth, and not roughly punctured, as in D. 

 ministra. The hairs over the body are sordid white. Length 55 m.m. 



Pupa. — Cannot be distinguished from D. ministra. 



Food Plants. — Huckleberry ( Vaccinium), and Witch Hazel (Ham- 

 amelis). Single brooded. 



STRAY NOTES ON MYRMELEONID.E, Part 4. 



BY DR. H. A. HAGEN, CAMBRIDGE, MASS. 



(Continued from vol. xix., page 38. ) 



4. Brachynemurus abdominalis. 



Myrm. abdominalis Say, Godm. West. Quart. Rep. ii., 163— Edit. 



LeConte, I., 173. 

 M. juvencus Hag., Syn. N. Am. Neur., 234, 21 (var. with longer 

 spurs). 

 Yellowish, slender, faintly villous ; face yellow ; between the antenna; 

 and a little above, a longitudinal median line, connected with a transversal 

 one on the epistom,all black ; palpi equal, pale, the apical joint of maxillary 

 and this of labial, which is very little thickened in the basal half, some- 

 what brownish ; antennae longer than head and prothorax, in the male 



